ABSTRAKNowadays, the conditions of regulation in Indonesia, from quantity perspective, are within over-regulated position or in another word, number of regulation which exist is too excessive. Moreover, within quality perspective, there are many inconsistent regulation, overlapping and contradicted each other. Those conditions has negative significant especially in its relationship with the investation climate and business competition in Indonesia. In last 2014, The President Joko Widodo has mandated the ministriesto apply simplification of regulation through the pruning about 50% from 42000 regulations simplification in Indonesia by draw the success implementation of regulation simplification in South Korea. This article also discusses the steps which should be applied by the Indonesia government in order to implement the regulation simplification. In the last chapter, this article will portray the potencial obstacles that will be faced by the government during the process of implementation of regulation simplification in Indonesia and also suggest the solution to answer those prob